Earth digging and trenching tool head



FIG. 1 is a perspective view or a reduced scale of an earth digging and trenching tool head, showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side view;

FIG. 4 is a rear view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a front view.

The broken line representing the implement handle is shown for illustrative purposes only. 

The ornamental design for a earth digging and trenching tool head, substantially as shown and described. 